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ISO 20022 · Local instrument
IAT International ACH
Registered in sourceSource release: August 2026 (v3)Source details
Code setExternalLocalInstrument1Code
Published definition
Transaction is related to international ACH.
Additional source information
WHEM,US,USD,NACHA,Both,Both
Code set and usage
Local instrument contains 90 registered codes. Its exact identifier is ExternalLocalInstrument1Code.
Specifies the external local instrument code in the format of character string with a maximum length of 35 characters. The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.
Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.